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Finding the Fourth Proportional to 193,366.72, 290,057.94 and 92,112.72

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Solution

The fourth proportional to 193,366.72, 290,057.94 and 92,112.72 is: 138,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,366.72 : 290,057.94 = 92,112.72 : x
  2. Step 2: Convert to fraction form
    193,366.72/290,057.94 = 92,112.72/x
  3. Step 3: Cross multiply
    193,366.72x = 290,057.94 × 92,112.72
  4. Step 4: Simplify right side
    193,366.72x = 26,718,025,811.00
  5. Step 5: Solve for x
    x = 26,718,025,811.00/193,366.72
  6. Step 6: Final answer
    x = 138,172.83

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